A METHOD OF ROCK BOLTING,AND A DEVICE,AND A ROOF BOLTING APPARATUS,申请号AU19840028297-传众专利搜索

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发明名称	A METHOD OF ROCK BOLTING,AND A DEVICE,AND A ROOF BOLTING APPARATUS
摘要
申请公布号	AU580259(B2)	申请公布日期	1989.01.12
申请号	AU19840028297	申请日期	1984.04.12
申请人	AKTIEBOLAG ATLAS COPCO	发明人	SIGNAR EDVIN ALEXIS LUNDMARK;KARL ENAR PERSSON
分类号	E21D20/00;E21D20/02	主分类号	E21D20/00
代理机构		代理人
主权项
地址

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